svg]:overflow-visible">Listen to article • 0:00 minIn the back of a classroom where she had just read to 20 attentive preschool kids, U.S. Rep. Chrissy Houlahan was concerned about what the staff of the West Chester YMCA was telling her.Nearly a third of the families who rely on the facility’s childcare programs — in the richest county in Pennsylvania, and one of the wealthiest in the country — receive financial assistance to cover the $1,900 monthly cost, the staffers said.Houlahan, a Democrat who is soft-spoken when she is not grilling President Donald Trump’s cabinet secretaries or House Speaker Mike Johnson (R., La.)...